Petroleum Refinery Engineering Tetra-ethyl lead is added in gasoline to Reduce the pour point Reduce gum formation Increase its octane number Increase its smoke point Reduce the pour point Reduce gum formation Increase its octane number Increase its smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Hydrofining is the most recent and effective method for the Removal of sulphur Reduction of breathing loss Improvement of viscosity index Improvement of smoke point Removal of sulphur Reduction of breathing loss Improvement of viscosity index Improvement of smoke point ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Petroleum Does not contain aromatics Constitutes mainly of olefins Does not contain asphalt Is optically active Does not contain aromatics Constitutes mainly of olefins Does not contain asphalt Is optically active ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Waxy crudes are treated with chemical additives mainly to Depress its pour point Remove wax Precipitate wax Dissolve wax Depress its pour point Remove wax Precipitate wax Dissolve wax ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Smoke point of a good burning kerosene may be around __________ mm. 60-75 20-25 100-120 0-5 60-75 20-25 100-120 0-5 ANSWER DOWNLOAD EXAMIANS APP
Petroleum Refinery Engineering Naphtha yield in straight run distillation of crude oil may be about __________ percent. 12 2 18 6 12 2 18 6 ANSWER DOWNLOAD EXAMIANS APP